更多“我国文学史上第一个伟大的爱国诗人是（）”相关的问题
关于文件系统的概念，最全面的描述是指（）。
A.文件、管理文件的软件及相关数据结构的总体B.文件目录C.实现文件管理的一组软件D.文件的集合
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中庭与周围连通空间的防火分隔当采用防火卷帘时，耐火极限不低于（)。
中庭与周围连通空间的防火分隔当采用防火卷帘时，耐火极限不低于()。A.1．00hB.2．00hC.3．OOhD.4．00h
A.1．00hB.2．00hC.3．OOhD.4．00h
B.2．00hC.3．OOhD.4．00h
C.3．OOhD.4．00h
D.4．00h
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关于品牌延伸可能会给企业带来的风险，说法正确的是（ ）。
A .
品牌延伸不当会损害原品牌形象B .
过度品牌延伸会淡化品牌个性C .
消费者可能产生不好的心理联想D .
可能产生跷跷板效应
下列养分中，属速效性养分的是（）。
A.氨基酸
B.尿素
C.碳酸钙
D.钙离子
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Leaving aside the question of how black holes generate the energy in gamma-ray burst...According to the passage, which of the following is true concerning the development of GHBs（）
(A) A lack of electromagnetic energy prevents the GHBs from becoming visible at the earliest stage of their existence.
(B) Photon density precludes the manifestation of GHBs to observers as the GHBs initially develop.
(C) There is a dearth of luminosity that makes GHBs impossible to observe from longer distances, but not shorter ones.
(D) The viewer’s timescale tends to be to compressed at the earliest phase of GHBs’ development to allow them to be observed.
(E) GHBs tend to move at too slow a velocity to be observed as the initially develop.
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将10个字数据3456H存放在存储单元中的伪指令是（）。
A.DW 10 HDUP（3456H） B.DW 10 DUP（3456H） C.DW 10 HDUP（5634H） D.DW 10 DUP（5634H）
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关于企业所有者权益，下列说法中正确的有（）
A . 资本公积可以按规定转增资本
B . 盈余公积可以按规定转增资本
C . 公益金可以弥补亏损
D . 资本公积可以弥补亏损
E . 盈余公积可以弥补亏损
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Cities develop as a result of functions that they can perform. Some functions result directly from the ingenuity of the citizenry, but most functions result from the needs of the local area and of the surrounding hinterland (the region that supplies goods to the city and to which the city furnishes services and other goods). Geographers often make a distinction between the situation and the site of a city. Situation refers to the general position in relation to the surrounding region, whereas site involves physical characteristics of the specific location. Situation is normally much more important to the continuing prosperity of a city. if a city is well situated in regard to its hinterland, its development is much more likely to continue. Chicago, for example, possesses an almost unparalleled situation: it is located at the southern end of a huge lake that forces east-west transportation lines to be compressed into its vicinity, and at a meeting of significant land and water transport routes. It also overlooks what is one of the world’s finest large farming regions. These factors ensured that Chicago would become a great city regardless of the disadvantageous characteristics of the available site, such as being prone to flooding during thunderstorm activity. Similarly, it can be argued that much of New York City’s importance stems from its early and continuing advantage of situation. Philadephia and Boston both originated at about the same time as New York and shared New York’s location at the western end of one of the world’s most important oceanic trade routes, but only New York possesses an easy-access functional connection (the Hudson-Mohawk lowland) to the vast Midwestern hinterland. This account does not alone explain New York’s primacy, but it does include several important factors. Among the many aspects of situation that help to explain why some cities grow and others do not, original location on a navigable waterway seems particularly applicable. Of course, such characteristic as slope, drainage, power resources, river crossings, coastal shapes, and other physical characteristics help to determine city location, but such factors are normally more significant in early stages of city development than later.
A. summarize past research and introduce anew study B. describe a historical period C. emphasize the advantages of one theory over another D. define a term and illustrate it with an example
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债券投资的持有期收益率的计算公式是（）
A.（出售价格－购买价格+利息）/购买价格*100%
B.票面收益/市场价格*100%
C.（出售价格－购买价格）/债券面值*100%
D.债券息票/债券面值*100%
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电气化区段，超限货物顶部距接触网导线的垂直距离大于等于（）可不停电运输。
A.350mm B.500mm C.300mm D.150mm
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肝脓肿与肝癌都表现为环形强化时的鉴别点是（）
A . 肝癌动脉期强化明显，肝脓肿静脉期强化明显
B . 肝脓肿壁较薄
C . 肝癌壁较厚
D . 肝脓肿的壁为高度强化
E . 肝癌的壁为中度强化
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首次入院的病人疼痛评估需在（）之内完成评估。
A.6小时
B.8小时
C.10小时
D.立即评估
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三相半波可控整流电路电阻负载，保证电流连续的最大控制角α是()。A、20°B、30°C、60°D、90°
三相半波可控整流电路电阻负载，保证电流连续的最大控制角α是()。 A、20° B、30° C、60° D、90°
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对于直径为6.5mm的盘卷光圆钢筋，其原始标距为（）
A.65mm B.30mm C.60mm D.35mm
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